UCN5804B in a DIP16 package. Drives a unipolar stepper in one of three operating modes: single phase, two phase or half step. Up to 1.25 Amps per phase. Step and direction input. Drive with a 555 timer, parallel port, etc. Build your own robot, anything that requires precision positioning. Also known as UCN-5804, UCN-5804B, UCN5804, 5804, UCN 5804, UCN5804BT and UCN 5804B. Date code 0044.View Spec Sheet